About
ImageOptim is a lossless image compression program (PNG, JPG, TIF, GIF, BMP, PSD, HEIC).
Reduce file size by 75%-98% with lossless compression
Convert image to PNG, TIF, GIF
Basic functions
Supports lossless multiple image compression
Supports drag-and-drop images and folders for automatic image identification
Lossless batch compression support
Batch image conversion support
Support compression and conversion to any folder